:root {
  --brand: rgb(255, 80, 0);
  --brand-dark: #E85A00;
  --soft-orange: #FFF3EC;
  --page-bg: #F6F6F6;
  --text: #222222;
  --muted: #555555;
  --light: #777777;
  --footer: #1F1F1F;
  --line: #EAEAEA;
  --shadow: 0 12px 36px rgba(30, 30, 30, .08);
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  background: var(--page-bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 8px 28px rgba(0,0,0,.05);
  backdrop-filter: blur(12px);
}
.mobile-header {
  height: 62px;
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
}
.menu-toggle {
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0 8px;
  cursor: pointer;
}
.menu-toggle span { width: 24px; height: 2px; border-radius: 99px; background: #1f1f1f; }
.mobile-logo { justify-self: center; display: inline-flex; align-items: center; justify-content: center; min-width: 0; }
.logo img, .mobile-logo img, .drawer-logo img, .footer-logo img { object-fit: contain; }
.mobile-logo img { max-height: 38px; max-width: 128px; }
.logo img { max-height: 48px; max-width: 165px; }
.desktop-header { display: none; align-items: center; gap: 26px; min-height: 74px; }
.main-nav { display: flex; align-items: center; gap: 18px; flex: 1; justify-content: center; }
.main-nav a { font-size: 15px; font-weight: 650; color: #333; padding: 22px 0; position: relative; white-space: nowrap; }
.main-nav a.active, .main-nav a:hover { color: var(--brand); }
.main-nav a.active:after, .main-nav a:hover:after { content: ""; position: absolute; left: 0; right: 0; bottom: 13px; height: 3px; border-radius: 99px; background: var(--brand); }
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-weight: 750;
  box-shadow: 0 10px 22px rgba(255,80,0,.24);
  transition: background .2s ease, transform .2s ease;
  white-space: nowrap;
}
.main-btn:hover { background: var(--brand-dark); transform: translateY(-1px); }
.header-btn { min-height: 36px; padding: 0 14px; font-size: 13px; }
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(0,0,0,.48);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 84vw;
  max-width: 320px;
  height: 100vh;
  background: #fff;
  transform: translateX(-105%);
  transition: transform .28s ease;
  box-shadow: 18px 0 36px rgba(0,0,0,.18);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.drawer-open { overflow: hidden; }
.drawer-open .drawer-overlay { opacity: 1; pointer-events: auto; }
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 18px 12px; border-bottom: 1px solid var(--line); }
.drawer-logo img { max-height: 42px; max-width: 150px; }
.drawer-close { width: 40px; height: 40px; border: 0; background: var(--soft-orange); color: var(--brand); border-radius: 50%; font-size: 28px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; gap: 6px; padding: 14px; }
.drawer-nav a { padding: 13px 14px; border-radius: 14px; color: #333; font-weight: 650; }
.drawer-nav a.active, .drawer-nav a:hover { background: var(--soft-orange); color: var(--brand); }
.hero-section {
  background:
    linear-gradient(90deg, rgba(0,0,0,.78), rgba(0,0,0,.58)),
    url('banner.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 32px 0 42px;
  color: #fff;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  width: min(1160px, calc(100% - 32px));
  text-align: center;
}
.hero-image { order: 1; position: relative; z-index: 2; display: flex; justify-content: center; align-items: center; }
.hero-image img { width: 100%; max-height: 320px; object-fit: contain; filter: drop-shadow(0 24px 36px rgba(0,0,0,.35)); }
.hero-content { order: 2; position: relative; z-index: 2; }
.hero-kicker { display: inline-flex; padding: 5px 12px; border-radius: 999px; background: rgba(255,80,0,.18); color: #fff; border: 1px solid rgba(255,80,0,.45); font-size: 13px; margin-bottom: 10px; }
.hero-title { color: rgb(255, 80, 0); font-size: clamp(32px, 7vw, 56px); line-height: 1.08; margin: 0 0 14px; letter-spacing: -.03em; }
.hero-desc { color: #ffffff; font-size: 16px; margin: 0 auto 22px; max-width: 620px; }
.hero-note { color: #e8e8e8; font-size: 13px; margin-top: 14px; }
section { padding: 54px 0; }
.section-white { background: #fff; }
.section-soft { background: var(--soft-orange); }
.section-gray { background: var(--page-bg); }
.section-title { max-width: 760px; margin: 0 auto 28px; text-align: center; }
.section-title h2 { margin: 0 0 10px; font-size: clamp(25px, 4vw, 38px); line-height: 1.25; color: #222; }
.section-title p { margin: 0; color: var(--muted); }
.highlight { color: var(--brand); }
.quick-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.quick-card { background: #fff; border: 1px solid rgba(255,80,0,.12); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); }
.quick-card strong { display: block; font-size: 17px; margin-bottom: 6px; color: #222; }
.quick-card p { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
.text-link { color: var(--brand); font-weight: 750; display: inline-flex; align-items: center; gap: 4px; }
.text-link:after { content: "›"; font-size: 18px; line-height: 1; }
.text-link:hover { color: var(--brand-dark); }
.feature-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.feature-card, .content-card, .service-card, .faq-item, .notice-card, .step-card, .info-panel {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,.04);
}
.feature-card { overflow: hidden; }
.feature-card.large { display: grid; grid-template-columns: 1fr; }
.card-image, .feature-image { background: linear-gradient(135deg, #fff7f2, #f7f7f7); display: flex; align-items: center; justify-content: center; min-height: 142px; max-height: 190px; overflow: hidden; padding: 12px; }
.card-image img, .feature-image img { width: 100%; height: 100%; max-height: 168px; object-fit: contain; object-position: center; }
.feature-card.large .feature-image { max-height: 240px; }
.feature-card.large .feature-image img { max-height: 220px; }
.card-body { padding: 20px; }
.card-body h3 { margin: 0 0 8px; font-size: 21px; color: #222; }
.card-body p { margin: 0 0 12px; color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.tag { display: inline-flex; align-items: center; border-radius: 999px; background: var(--soft-orange); color: var(--brand-dark); padding: 4px 10px; font-size: 13px; font-weight: 700; }
.category-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.category-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid rgba(0,0,0,.04); overflow: hidden; display: flex; flex-direction: column; }
.category-card .card-body { flex: 1; display: flex; flex-direction: column; }
.category-card .text-link { margin-top: auto; }
.app-section { background: #fff; }
.app-panel { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center; background: linear-gradient(135deg, #fff, #fff3ec); border-radius: 24px; padding: 24px; box-shadow: var(--shadow); }
.app-visual { display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,.68); border-radius: 22px; padding: 16px; }
.app-visual img { max-height: 360px; object-fit: contain; }
.app-content h2 { margin: 0 0 10px; font-size: clamp(25px, 4vw, 38px); }
.app-content p { color: var(--muted); margin: 0 0 14px; }
.service-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.service-card { padding: 22px; }
.service-card h3 { margin: 0 0 8px; color: #222; }
.service-card p { margin: 0 0 10px; color: var(--muted); }
.notice-card { padding: 24px; border-left: 5px solid var(--brand); }
.notice-card h2, .notice-card h3 { margin: 0 0 10px; }
.notice-card p { margin: 0; color: var(--muted); }
.faq-list { display: grid; gap: 14px; max-width: 920px; margin: 0 auto; }
.faq-item { padding: 20px; }
.faq-item h3 { margin: 0 0 8px; font-size: 18px; color: #222; }
.faq-item p { margin: 0; color: var(--muted); }
.page-hero { background: linear-gradient(135deg, #111 0%, #2b160d 100%); color: #fff; padding: 48px 0; }
.page-hero .container { display: grid; gap: 14px; }
.page-hero h1 { margin: 0; color: var(--brand); font-size: clamp(30px, 6vw, 48px); line-height: 1.15; }
.page-hero p { max-width: 860px; margin: 0; color: #ededed; }
.breadcrumb { color: #f6c1aa; font-size: 14px; }
.content-layout { display: grid; grid-template-columns: 1fr; gap: 24px; }
.content-block { background: #fff; border-radius: 20px; padding: 24px; box-shadow: var(--shadow); }
.content-block h2 { margin: 0 0 12px; font-size: 26px; }
.content-block h3 { margin: 18px 0 8px; color: #222; }
.content-block p { margin: 0 0 14px; color: var(--muted); }
.content-block ul, .content-block ol { margin: 8px 0 16px; padding-left: 22px; color: var(--muted); }
.content-block li { margin: 7px 0; }
.two-col { display: grid; grid-template-columns: 1fr; gap: 18px; }
.image-text { display: grid; grid-template-columns: 1fr; gap: 20px; align-items: center; }
.inline-image { background: #fff7f2; border-radius: 22px; padding: 18px; display: flex; justify-content: center; align-items: center; }
.inline-image img { max-height: 330px; object-fit: contain; }
.step-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.step-card { padding: 20px; }
.step-num { width: 36px; height: 36px; border-radius: 50%; background: var(--brand); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 10px; }
.site-footer { background: var(--footer); color: #d8d8d8; padding: 46px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.footer-logo img { max-height: 48px; max-width: 170px; margin-bottom: 14px; }
.site-footer h3 { margin: 0 0 10px; color: #fff; font-size: 17px; }
.site-footer p { margin: 0; color: #d8d8d8; max-width: 420px; }
.site-footer a { display: block; color: #d8d8d8; margin: 7px 0; }
.site-footer a:hover { color: var(--brand); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 30px; padding: 16px 0; display: flex; flex-direction: column; gap: 6px; color: #bdbdbd; font-size: 13px; }
@media (min-width: 640px) {
  .quick-grid { grid-template-columns: repeat(3, 1fr); }
  .category-grid, .service-grid, .two-col, .step-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .mobile-header { display: none; }
  .desktop-header { display: flex; }
  .header-btn { min-height: 42px; padding: 0 22px; font-size: 15px; }
  .hero-section { padding: 50px 0 58px; }
  .hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: left;
  }
  .hero-image { order: 1; }
  .hero-content { order: 2; }
  .hero-image img { max-height: 520px; }
  .hero-desc { margin-left: 0; }
  .quick-grid { grid-template-columns: repeat(5, 1fr); }
  .feature-grid { grid-template-columns: 1.15fr .85fr; }
  .feature-card.large { grid-row: span 2; }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .app-panel { grid-template-columns: .9fr 1.1fr; padding: 32px; }
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .content-layout { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: repeat(2, 1fr); }
  .image-text { grid-template-columns: .9fr 1.1fr; }
  .step-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; }
  .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}
@media (min-width: 1080px) {
  .quick-grid { grid-template-columns: repeat(9, 1fr); }
  .main-nav { gap: 20px; }
}
@media (max-width: 380px) {
  .mobile-header { grid-template-columns: 54px 1fr auto; padding: 0 8px; }
  .mobile-logo img { max-width: 104px; }
  .header-btn { padding: 0 10px; font-size: 12px; min-height: 34px; }
  .menu-toggle { width: 38px; }
  .hero-title { font-size: 30px; }
  .quick-grid { gap: 10px; }
  .quick-card { padding: 14px; }
}